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System Reliability Work on Spokane Street Viaduct to Start on July 14

Starting on Friday, July 14, Seattle City Light crews plan to improve electrical system reliability by pulling new wire over the top of the West Seattle Bridge near 2nd Avenue South.

Seattle City Light crews plan to improve electrical system reliability by pulling new wire over the top of the Spokane Street Viaduct near 2nd Avenue South.

To work safely, traffic will be reduced to one lane and the speed limit dropped to 25 mph in both the east and west bound directions of the Spokane Street Viaduct between 1st Avenue South and 6th Avenue South. See the work zone map below. Work will occur on Friday, July, 14 and Saturday, July, 15 if necessary.

Drivers should expect slowdowns during this time.

Lane reduction details:

The nights of Friday, July 14 and Saturday, July 15 (if needed)

  • Traffic will be reduced to one lane and speed limits dropped to 25 mph in both directions from 11 p.m. to 5 a.m.
  • Washington State Patrol and extra City Light equipment will be positioned in the work zone to promote safety.
  • Access to 1st Avenue South and 4th Avenue South ramps will be maintained.

The newly installed electrical wire will improve system reliability and add capacity to the South of Downtown (SoDo) area.

Map of construction work area on the Spokane Street Viaduct.